This product has been superseded by: 6EE-G5300-00-8D

Yamaha - Lower Unit Assembly - Gearcase Component - 6EE-G5300-00-4D

Overview

The Yamaha Lower Unit Assembly | 6EE-G5300-00-4D is what keeps your small outboard putting power into the water the way it should. On engines like the F4 and F6, you’ll notice right away if the lower unit starts wearing out—noise, vibration, or just not pushing like it used to. This assembly handles the full transfer of power from the engine down to the prop. If you’re dealing with damage or wear, swapping this out is the fastest way to get things running smooth again.

Key Features

• Efficient Power Transfer – Delivers engine output to the propeller for smooth and reliable performance.

• OEM Fit Precision – Built to Yamaha specifications for proper alignment and straightforward installation.

• Complete Gearcase Assembly – Pre-assembled unit for quick replacement and dependable operation.

• Corrosion-Resistant Construction – Designed to withstand freshwater and saltwater environments.

Engine & Boat Compatibility

Verify compatibility with your specific Yamaha engine model and part number before installation.

FAQs

Q1: What are signs the lower unit is going bad?
A: Grinding noise, vibration, or reduced propulsion are common indicators.

Q2: Can I repair instead of replacing the lower unit?
A: Minor issues can be repaired, but full replacement is often more reliable.

Q3: Does this come ready to install?
A: Yes, it’s a complete assembly designed for direct replacement.

Q4: Is this important for small engines like F4 and F6?
A: Absolutely, since efficiency and smooth operation are critical on smaller motors.

Q5: Is installation difficult?
A: It’s generally straightforward with basic tools and proper alignment.

• Supersessions
  6BX-G5300-00-4D, 6BX-G5300-01-4D, 6EE-G5300-00-8D, 6EE-G5300-00-8D